1) galvanized steel pipe 2) Outer diameter:19mm-219mm 3) Wall thickness:1.5mm-12mm 4) standard:BS1387,ASTM A53,GB,DIN Name: galvanized steel pipeOther ... -40,ASTM A500, API5L.API5CT, DIN2440 and EN10219Material:Q195,Q235,Q345,SS400,S235JR,X42,X46,X52,X60,X65,X70If you are interested ... contact us , we will do our best to help you! galvanized steel pipe